1. Different materials and techniques

1. Soy sauce: Soy sauce, commonly known as soy sauce, is mainly brewed from soybeans, wheat, and salt.

2. Light soy sauce: Light soy sauce is a kind of soy sauce. It is made from soybeans or black beans and flour as the main raw materials, artificially added with seed koji, and naturally exposed to the sun and fermented.

2. Different uses

1. Soy sauce: It is generally used more when cooking.

2. Light soy sauce: Generally used in cold dishes.

3. Different colors and tastes

1. Soy sauce: added with caramel color, very dark in color, brown and shiny, which can add or change the color of dishes.

2. Light soy sauce: light and mellow in color, rich in sauce flavor, delicious in taste, light in color and reddish brown.